An electronic component includes overlapping coils in a rectangular laminate to form a substantially annular orbit. In one implementation the digital watermarks include characteristics that are chosen so that the watermarks will be affected in different manners if the document is subsequently copied or reproduced. The oven liner has a first major surface formed of silicone elastomer and has a second major surface formed of fluorinated polymer. Movement of the patient support independent or separately from the base and without interfering with the storage areas within the base may allow for the efficient use of the examination table as a storage area.